layout: post title: 数据可视化工具bokeh quickbook category: life tags: Essay
http://bokeh.pydata.org/en/latest/docs/user_guide/quickstart.html#getting-started
from bokeh.plotting import figure, output_notebook, show
from bokeh.plotting import *
import numpy as np
# prepare some data
x = [0.1, 0.5, 1.0, 1.5, 2.0, 2.5, 3.0]
y0 = [i**2 for i in x]
y1 = [10**i for i in x]
y2 = [10**(i**2) for i in x]
# output to static HTML file
# create a new plot
p = figure(
tools="pan,box_zoom,reset,save",
y_axis_type="log", y_range=[0.001, 10**11], title="log axis example",
x_axis_label='sections', y_axis_label='particles'
)
# add some renderers
p.line(x, x, legend="y=x")
p.circle(x, x, legend="y=x", fill_color="white", size=8)
p.line(x, y0, legend="y=x^2", line_width=3)
p.line(x, y1, legend="y=10^x", line_color="red")
p.circle(x, y1, legend="y=10^x", fill_color="red", line_color="red", size=6)
p.line(x, y2, legend="y=10^x^2", line_color="orange", line_dash="4 4")
# show the results
show(p)
output_notebook()
import numpy as np
from bokeh.plotting import figure, output_notebook, show
# prepare some data
N = 4000
x = np.random.random(size=N) * 100
y = np.random.random(size=N) * 100
radii = np.random.random(size=N) * 1.5
colors = [
"#%02x%02x%02x" % (int(r), int(g), 150) for r, g in zip(50+2*x, 30+2*y)
]
# output to static HTML file (with CDN resources)
output_notebook()
TOOLS="resize,crosshair,pan,wheel_zoom,box_zoom,reset,box_select,lasso_select"
# create a new plot with the tools above, and explicit ranges
p = figure(tools=TOOLS, x_range=(0,100), y_range=(0,100))
# add a circle renderer with vectorized colors and sizes
p.circle(x,y, radius=radii, fill_color=colors, fill_alpha=0.6, line_color=None)
# show the results
show(p)
# prepare some data
N = 100
x = np.linspace(0, 4*np.pi, N)
y0 = np.sin(x)
y1 = np.cos(x)
y2 = np.sin(x) + np.cos(x)
# output to static HTML file
output_notebook()
# create a new plot
s1 = figure(width=250, plot_height=250, title=None)
s1.circle(x, y0, size=10, color="navy", alpha=0.5)
# NEW: create a new plot and share both ranges
s2 = figure(width=250, height=250, x_range=s1.x_range, y_range=s1.y_range, title=None)
s2.triangle(x, y1, size=10, color="firebrick", alpha=0.5)
# NEW: create a new plot and share only one range
s3 = figure(width=250, height=250, x_range=s1.x_range, title=None)
s3.square(x, y2, size=10, color="olive", alpha=0.5)
# NEW: put the subplots in a gridplot
p = gridplot([[s1, s2, s3]], toolbar_location=None)
# show the results
show(p)
python -c "import bokeh.sampledata; bokeh.sampledata.download()"
from bokeh.models import ColumnDataSource
# prepare some date
N = 300
x = np.linspace(0, 4*np.pi, N)
y0 = np.sin(x)
y1 = np.cos(x)
# output to static HTML file
output_file("linked_brushing.html")
# NEW: create a column data source for the plots to share
source = ColumnDataSource(data=dict(x=x, y0=y0, y1=y1))
TOOLS = "pan,wheel_zoom,box_zoom,reset,save,box_select,lasso_select"
# create a new plot and add a renderer
left = figure(tools=TOOLS, width=350, height=350, title=None)
left.circle('x', 'y0', source=source)
# create another new plot and add a renderer
right = figure(tools=TOOLS, width=350, height=350, title=None)
right.circle('x', 'y1', source=source)
# put the subplots in a gridplot
p = gridplot([[left, right]])
# show the results
show(p)
from bokeh.plotting import figure, output_notebook, show
output_notebook()
p = figure()
p.line([1, 2, 3, 4, 5], [6, 7, 2, 4, 5], line_width=2)
show(p)